Now to a rare Saturday federal court session in Washington where the suspected leader of the embassy attack in benghazi, Libya, that killed four Americans pleaded not guilty. He left the courthouse under heavy security. Let's get to Pierre Thomas. Pierre, he was nabbed in Libya and now on U.S. Soil. Reporter: Good morning, Dan. After the capture, he's been on a slow boot ride. He's undergone two interrogations. Theying load for threats and information about his organization. A week ago, he was read his rights by the FBI. We're told he's cooperated. Offering some details but never admitting guilt. What is next? Reporter: He'll be treated like a common drug dealer. He'll face the pressure of the government. And the pressure of a death sentence. He'll have to decide what he's going the plead guilty of face trial.

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